Easy opening container



June 7, 1932. A. L. KRONQUEST 1,862,509

EASY OPENING CONTAINER Filed Jan. 10, 1931 Patented June '5, 1933;

UNITED STATES PATENT @FFEQE ALFRED L. KRONQUEST, OF SYRACUSE, NEW YORK,ASSIGNOR TO CONTINENTAL CAN COMRANY, INC, F NE'W YORK, N. Y., ACORPORATION OF NEW YORK EASY OPENING CONTAINER Application filed January10, 1931.

- lar that is attached to the end when the rip strip is removed.

An objectof the invention is to provide a container wherein there-closure collar is formed by a foloing of the metal of the body wallinwardly upon itself so as to pro vide a depending portion extendingbelow the upper score line, and wherein said body wall and end are soshaped as to be seamed together without requiring any sharp folds orbends in the doubled body Wall.

In the drawing- Figure l is a View partly in section of a containerembodying the invention;

Fig. 2 is an enlarged sectional view through a portion of the body walland the end showing the parts seamed together;

Fig. 3 is a view showing the shaping of the flange of the can end andthe coating applied thereto which is used in the sealing of the end tothe body wall, and

Fig. 4 is a view similar to Fig. 2, but showing the rip strip removedand the end separated from the container body.

The invention is directed to an easy open- 5: 1? ing container whichincludes a body portion having score lines formed therein adjacent oneend thereof, thus setting off the rip strip to which a key may beattached for tearing the same away to release the end from the containerbody. Located within the container body preferably is an inserted collarwhich is attached to the container body and terminates at a pointadjacent the end which is attached to the body. The body wall while inthe blank form is folded upon itself so as to provide an inwardly anddownwardly extending portion which lies flat against the inner face ofthe body wall and which extends downwardly to a point well beneath theupper score line. The folded portion of the body wall above the upperscore line is flared outwardly so that it gradually increases indiameter on the outer face thereof from a point adjacent the score lineto the upper end of the body wall. The end has a Serial No. 507,955.

depressed portion which fits snugly within the mouth of the body wall ofthe container. The end is also provided with a flange which projectsoutwardly over the folded end of the body wall. A sealing material isapplied to the under face of the flange of the end, and after the endhas been inserted, the flange is bent inwardly so as to lie flat againstitself, and downwardly so as to snugly engage the outer face of thecontainer body. This crowds the sealing material upwardly and seals thejoint between the end and the body wall.

.Referring more in detail to the drawing,

.the container consists of a body wall 1 to which an end 2 is attachedby a double seam 3. The wall of the body portion is provided with aninwardly projecting bead 4, also with an inset 5 forming a shoulder 6.An inserted collar 7 is placed within the containu or body. Thisinserted collar 7 snugly fits the inset portion 5.. The collar has lugs8 struck up therefrom which project outwardly, and when the collar isplaced so that the lower end thereof engages the upper wall of the beadl, the lugs 8 will engage beneath the shoulder 6 and thus firmly holdthe collar attached to the container body. The wall of the containerbody while in the blank form is folded inwardly and downwardly so as toprovide a collar portion 9. This depending collar portion extends wellbelow the upper score line 10. The lower score line is indicated at ll,and between the score lines 10 and 11 is a rip strip 12 which is woundon to a key for separating the end from the body portion. When the endis separated from the body portion, this depending collar 9 remainsattached to the end. The folded portion of the body wall from the scoreline to the upper end 18 is flared outwardly so that the diameter ofthes outer face of the body wall from the score line 10 to the upper endthereof gradually increases. The upper end is indicated at 14. This endis provided with a (lepressed portion forming a wall 15 which contactswith the inner wall of the container body when the end is placed on thecontainer. Said end has an outwardly extending flange 16 which is curleddownwardly and inwardly as indicated at 17. The under face of the flange16 is coated with a sealing material as indi *ated at 18. This may be inany suitable form of plastic sealing material. The end is seated in thecontainer body and supported by a chuck therein, afte which the flange16 and the curled portion 17 are inwardly bent so as to provide a foldedback portion 19 and a depending portion 20 which snugly and frictionallyengage the outer wall of the flared end of the container body. The metalparts including the vertical wall 15, the foldbody wall and the foldedouter portion the flange of the end are firmly pressed together intoparallelism, and this provides a very tight frictional grip between theend and the body wall. The sealing material during this oining of themetal parts iscrowded upwardly and forced into the space at the upperend of the body wall, thus forming a very tight seal between the end andthe body wall. The depending collar 9 is so sped that it frictionallyengages the outer face of the collar 7. hese parts are in contact whenthe rib strip is removed, and this prevents any spilling of the contentsduring the rolling of the rip strip on to the key, even though the canbody is turned down on its side to facilitate the rem val of the ripstrip. The depending collar 9 and the collar 7 combine to form a supportfor the rip strip as it is rolled on to the key.

It is obvious that minor changes in the details of construction may bemade without departing from the spirit of the invention as set forth inthe appended claims.

Having thus described the invention, what I claim as new and desire tosecure by Let tors-Patent, is

1. An easy opening container comprising a body portion having spacedscore lines adjacent one end thereof forming a rip strip, the wall ofsaid body portion being folded inwardly upon itself to form a dependingcol lar extending below the upper score line, said folded body from theupper score line to the upper end of the body wall being flared ortapered outwardly so as to provide a surface of increasing diameter fromthe upper score line to the end of the body wall, an end having acentral depressed portion providing a vertical wall adapted to fitwithin the mouth of the container body, said end having a projectingflange extending over the end of the body wall, said flange of the endwhen secured to the body wall having an upwardly extending portioncontacting with the outer face of the wall of the container body andterminating adjacent the upper end of the body wall, and a sealingmaterial filling the space between the flange and the upper end of thebody wall, and an inserted collar attached to the body and having theupper portion thereof overlying and contacting with the inner Gil offaces of the depending collar formed by the folding of the body wall.

2. An easy opening container comprising a body portion having spacedscore lines adjacent one end thereof forming a rip strip, the wall ofsaid body portion being folded inwardly upon itself to form a dependingcollar extending below the upper score line, said folded body from theupper score line to the upper end of the body wall being flared ortapered outwardly so as to provide a surface of increasing diameter fromthe upper score line to the end of the body Wall, an end having acentral depressed portion providing a vertical wall adapted to fitwithin the mouth of the container body, said end having a projectingflange extending over the end of the body wall, which flange is adaptedto be bent downwardly and inwardly into frictional contact with theouter wall of the container body, and an inserted collar attached to thebody and having the upper portion thereof overlying and contacting withthe inner faces of the depending collar formed by the folding of thebody Wall.

In testimony whereof, I affix my signature.

ALFRED L. KRONQUEST.

